A sum fetches a simple interest of Tk. 6000 at the rate of 5% p.a. in 6 years . what would be the compound interest earned at the same rate of interest and the same principal in 2 years?

Alam sold an item for Tk. 6,384 and incurred a loss of 30% . At what price should he have sold the item to hav...

Kiran purchased a scooter for Tk. 52000. He sold it at loss of 10% .With that money be purchased another scoot...

A square is inscribed in a circle of diameter 2a and another square is circumscribing circle. The difference b...

The average of nine numbers is 50. The average of the first five numbers is 54 and that of the last three numb...

A batsman has a certain average of runs for 12 innings. In the 13th inning, he scores 96 runs thereby increasi...

A man takes 3 hours 45 minutes to row a boat 22.5 km downstream of a river and 2 hours 30 minutes to cover a d...